I've just done some very quick domain age research for my favourite term: team building. These are the results from Google.co.uk (search the Web), as you'll see there are lots of sites with .com extensions, but all of the domains are well established (old!).
The top 20 sites and their domain age are as follows:
(Rank) (Domain) (First Registered)
1.
www.teambuilding.co.uk 1996
2.
www.teamtechnology.co.uk 1996
3.
www.teamtechnology.co.uk 1996
4.
www.actiondays.co.uk 1999
5.
www.managementhelp.org 2000
6.
www.businessballs.com 1999
7.
www.wildevents.co.uk 2000
8. en.wikipedia.org 2001
9.
www.citychallengeuk.com 2001
10.
www.impactfactory.com 1998
11.
www.maximillion.co.uk 1996
12.
www.innovativeteambuilding.co.uk 2002
13.
www.businessballs.com 1999
14.
www.teambuilding.co.nz 2001
15.
www.chillisauce.co.uk 1999
16.
www.teambuilding.com.au ?
17.
www.teambuilding.org 1998
18.
www.teambuilding.com 1995
19. wilderdom.com 2002
20.
www.team-wise.co.uk 2000